jaraguagrass, USDA PLANTS Symbol: HYRU2 U.S. Nativity: Exotic Habit: Grass or Grasslike. Hyparrhenia rufa (Nees) Stapf. H. rufa is a tall perennial grass widely naturalized in tropical and subtropical regions of the world where it has been intentionally introduced. The plant is often gathered from the wild for local use in thatching and weaving, whilst it is also widely cultivated through many areas of the tropics as a drought.
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The seeds are also able to disperse on the wind after fires and germinate well in these conditions Starr et al. Sheldon Navie stems and older leaves Photo: Differentiation in selection of dicots and grasses by the leaf-cutter ants Atta capiguaraAtta laevigata and Atta sexdens rubropilosa.
Jaragua seeds can be broadcast or sown in cm rows FAO, ; Ecocrop, Sheldon Navie infestation late in the dry season Photo: Jaragua hay protein 4. Revista del Instituto Colombiano Agropecuario, 17 3: Plant and animal families Plant and animal species.
In recent years it has largely replaced grader grass Themeda quadrivalvisanother exotic grass, as the dominat grass on roadsides throughout the Mackay-Whitsunday Region. Hyparrhenia rufa Nees Stapf [ Poaceae ]. In Australia, jaragua grass, like molasses grass and para grass, is considered to be an invader Williams et al.
Diversity and Distributions, 10 2: Jaragua grass can be ensiled but in sheep the DM digestibility It is generally densely tufted and has short rhizomes FAO, ; Quattrocchi, Jaragua Hyparrhenia rufaaerial part, silage. Datasheet Hyparrhenia rufa Jaragua grass.
Panicoideae Forages Invasive plant species. Trinidad67 1: Annual Review in Ecology and Systematics, Taxonomic Tree Top of page Domain: Simultaneously, jaragua grass represents 2.
Reclamation and management of pastures of Jaragua grass Hyparrhenia rufa in Rondonia, Brazil. Evaluation of ammonia sources to tropical grasses hays treatment. Notes on Taxonomy and Nomenclature Top of page Poaceae is one of the largest families in the Angiosperms including around genera and over 11, species widely distributed in all regions of the world Stevens, Catalogue of the Seed Plants of the West Indies.
Hyparrhenia rufa subsp. rufa
Supplementations of Hyparrhenia rufa -dominated hay with groundnut cake-wheat bran mix: Poor quality tropical pasture containing jaragua grass can be improved either by introducing legumes Fabacaea and good quality grasses or by supplementing animals with nitrogen and energy sources.
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Soil Tolerances Top of page Soil drainage seasonally waterlogged Soil reaction acid alkaline neutral Soil texture heavy light medium. Rio de Janeiro, Brazil: Where it has been introduced into cultivation it has frequently taken hold in the local habitat, sometimes becoming an invasive component of the flora.
It has escaped from cultivation and rapidly naturalized into natural areas where it colonizes new areas forming dense stands and displacing native vegetation. Pasturas Tropicales, 24 2: Oxalic acid Jaragua grass was reported to contain 0.
Jaragua (Hyparrhenia rufa) | Feedipedia
Distribution Top of page H. Rjfa page was last edited on 23 Marchat Members of this family are mostly herbs characterized by round and commonly hollow stems at least in the internodesor tall woody bamboos Gould and Shaw, ; Stevens, Synonyms   Andropogon altissimus Andropogon bonangensis Hyparrhemia bouangensis Andropogon fulvicomus Andropogon hirtus Andropogon rufus Andropogon xanthoblepharis Andropogon yinduensis Cymbopogon rufus Hyparrhenia altissima Hyparrhenia fulvicoma Hyparrhenia parvispiculata Hyparrhenia yunnanensis Sorghum rufum Sorghum xanthoblepharis Trachypogon rufus.
Responses to simulated herbivory and water stress in two tropical C 4 grasses. The control methods referred to in this fact sheet should be used in accordance with the restrictions federal and state legislation, and local government laws directly ruufa indirectly related to each control method.
It produces seeds with long bristles which are capable of catching on people or animals that walk past the plant. CAB International, pp. Curepe, Trinidad and Tobago: From Wikipedia, the free encyclopedia. When jaragua grass escapes from ruaf pastures, it is very competitive and can be gufa threat to the biological diversity in disturbed areas. Jaragua grass fed alone for 8 weeks could not maintain the body weight of the lambs As with many other African grasses, this species escaped from planted areas and eventually became invasive, aided in part by the hyparrhenla of native communities by fire and deforestation Williams and Baruch, It is also tolerant of drought and easily naturalizes in disturbed habitat sites.
Once established, jaragua grass should be rotationally and heavily grazed, short cut height should not be higher than 15 cm or burnt in order to prevent flowering or tussocks development FAO, More information about modern web browsers can be found at http: Williams DG; Baruch Z, Oecologia 88 2 ,